Stroke End Block HARDENED / HARDENED, TAPPED TYPE SEBQH (Specified Counterbore Depth Type) Main unit Bolt SCM435 Material : SKS3 Hardness : 54 to 58 HRC R (Red) Y(Yellow) N (Black oxide) SEBQ SEBQH SEBQM Safety color Option Code Specification L specification is changed to a0.01. Since grinding is carried out simultaneously, variation of dimension L is within 0.005. L specification is changed from 0 to +0.01. Since grinding is carried out simultaneously, variation of dimension L is within 0.005. R (Red) Y(Yellow) N (Black oxide) L Safety color Increments of 0.1 mm R (Red) Y(Yellow) N (Black oxide) Safety color BL H L Safety color Increments of 0.1 mm Increments of 5 mm Increments of 1 mm Copyright © Sankyo Oilless Industry, Inc. All Rights Reserved. Copyright © Sankyo Oilless Industry, Inc. All Rights Reserved.